addNode(N1);
    assertThat(graph.nodes()).containsExactly(N1);
  }

  @Test
  public void nodes_noNodes() {
    assertThat(graph.nodes()).isEmpty();
  }

  @Test
  public void adjacentNodes_oneEdge() {
    putEdge(N1, N2);
    assertThat(graph.adjacentNodes(N1)).containsExactly(N2);
    assertThat(graph.adjacentNodes(N2)).containsExactly(N1);
  }

  @Test

    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir);
  }

  public void testFileTraverser_nonExistingFile() throws Exception {
    File file = new File(rootDir, "file-that-doesnt-exist");

    assertThat(Files.fileTraverser().breadthFirst(file)).containsExactly(file);
  }

  public void testFileTraverser_file() throws Exception {

  }

  public void testOf1() {
    assertThat(ImmutableDoubleArray.of(0).asList()).containsExactly(0.0);
  }

  public void testOf2() {
    assertThat(ImmutableDoubleArray.of(0, 1).asList()).containsExactly(0.0, 1.0).inOrder();
  }

  public void testOf3() {
    assertThat(ImmutableDoubleArray.of(0, 1, 3).asList()).containsExactly(0.0, 1.0, 3.0).inOrder();
  }

  public void testOf4() {

    assertThat(certificatePinner.findMatchingPins("a.example.com")).containsExactly(expectedPin)
    assertThat(certificatePinner.findMatchingPins(".example.com")).containsExactly(expectedPin)
    assertThat(certificatePinner.findMatchingPins("example.example.com"))
      .containsExactly(expectedPin)
  }

  @Test fun testGoodPin() {
    val pin =
      Pin(
        "**.example.co.uk",

        .containsExactly(fullpath("base/relative.jar"));
  }

  public void testGetClassPathFromManifest_trailingBlanks() throws IOException {
    File jarFile = new File("base/some.jar");
    Manifest manifest = manifestClasspath("relative.jar ");
    assertThat(ClassPath.getClassPathFromManifest(jarFile, manifest))
        .containsExactly(fullpath("base/relative.jar"));
  }

  public void testOf_headSet() {
    SortedSet<String> set = of("e", "f", "b", "d", "c");
    assertTrue(set.headSet("e") instanceof ImmutableSortedSet);
    assertThat(set.headSet("e")).containsExactly("b", "c", "d").inOrder();
    assertThat(set.headSet("g")).containsExactly("b", "c", "d", "e", "f").inOrder();
    assertSame(this.<String>of(), set.headSet("a"));
    assertSame(this.<String>of(), set.headSet("b"));
  }

    assertThat(multimap.keySet()).containsExactly("foo", "bar", "cow").inOrder();
    assertThat(multimap.removeAll("foo")).containsExactly(6, 7).inOrder();
    assertThat(multimap.keySet()).containsExactly("bar", "cow").inOrder();
    assertTrue(multimap.remove("bar", 4));
    assertThat(multimap.keySet()).containsExactly("bar", "cow").inOrder();

        .containsExactly(1, SIXTEEN_SQUARES_QUARTILE_1, 3, SIXTEEN_SQUARES_QUARTILE_3);
  }

  public void testQuartiles_indexes_varargs_computeInPlace() {
    double[] dataset = Doubles.toArray(SIXTEEN_SQUARES_DOUBLES);
    assertThat(quartiles().indexes(1, 3).computeInPlace(dataset))
        .comparingValuesUsing(QUANTILE_CORRESPONDENCE)
        .containsExactly(
            1, SIXTEEN_SQUARES_QUARTILE_1,

        .containsExactly(1, SIXTEEN_SQUARES_QUARTILE_1, 3, SIXTEEN_SQUARES_QUARTILE_3);
  }

  public void testQuartiles_indexes_varargs_computeInPlace() {
    double[] dataset = Doubles.toArray(SIXTEEN_SQUARES_DOUBLES);
    assertThat(quartiles().indexes(1, 3).computeInPlace(dataset))
        .comparingValuesUsing(QUANTILE_CORRESPONDENCE)
        .containsExactly(
            1, SIXTEEN_SQUARES_QUARTILE_1,

      assertThat(headersToList(response)).containsExactly("Content-Length: 0")
    }
  }

  @Test
  fun setStatusControlsWholeStatusLine() {
    val response = MockResponse().setStatus("HTTP/1.1 202 That'll do pig")
    assertThat(headersToList(response)).containsExactly("Content-Length: 0")
    assertThat(response.status).isEqualTo("HTTP/1.1 202 That'll do pig")
  }